RAPID MICRO BIOSYSTEMS INC-A (RPID) Stock Ownership

NASDAQ:RPID • US75340L1044

Current stock price

2.25 USD
-0.03 (-1.32%)
At close:
2.2994 USD
+0.05 (+2.2%)
After Hours:

RPID Ownership information

RPID Ownership Chart.RPID Ownership Chart: showing Insider, Institutional ownership and shares available to the public.RPID Ownership.InsiderInstitutionalPublic



Shares Outstanding45.77M
Float36.60M
Float Short Interest Percentage1.04%
Owners (insider)4.41%
Owners (institutional)56.29%
Owners (insider) change9.44%
Owners (institutional) change0%
RPID Institutional Ownership HistoryRPID Institutional Ownership HistoryRPID Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 Mar 2026 5M 10M 15M 20M 25M
RPID Historical Insider Transactions ChartRPID Historical Insider Buy and Sell Transactions ChartRPID Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 200K -200K 400K -400K
DateNameTypeSharesPriceAmount
Mar 11, 2026Wilson John J. AddingtonOpen Market Sale96034.32$ 41,466.71
Mar 11, 2026WIRTJES SEAN MOpen Market Sale74804.32$ 32,299.39
Mar 10, 2026Spignesi Robert G. Jr.Open Market Sale179224.11$ 73,686.30
Feb 27, 2026RICCIARDI NATALE SOption Excercise8420.75$ 631.50
Feb 20, 2026WIRTJES SEAN MOpen Market Sale172543.92$ 67,687.44
Feb 20, 2026Wilson John J. AddingtonOpen Market Sale54033.92$ 21,195.97
Feb 19, 2026Spignesi Robert G. Jr.Open Market Sale383273.89$ 148,911.89
Feb 11, 2026Wilson John J. AddingtonGrant740000.00$ 0.00
Feb 11, 2026WIRTJES SEAN MGrant970000.00$ 0.00
Feb 11, 2026Spignesi Robert G. Jr.Grant2640000.00$ 0.00
Feb 9, 2026Wilson John J. AddingtonOpen Market Sale46103.78$ 17,438.25
Feb 9, 2026WIRTJES SEAN MOpen Market Sale60273.78$ 22,798.33
Feb 9, 2026Spignesi Robert G. Jr.Open Market Sale128403.78$ 48,569.87
Feb 4, 2026Longitude Capital Partners II, LLCOpen Market Sale490003.88$ 190,090.60
Feb 4, 2026Longitude Venture Partners II, L.P.Open Market Sale490003.88$ 190,090.60
Feb 4, 2026Longitude Prime Partners, LLCOpen Market Sale490003.88$ 190,090.60
Feb 4, 2026Longitude Prime Fund, L.P.Open Market Sale490003.88$ 190,090.60
Feb 4, 2026ENRIGHT PATRICK GOpen Market Sale490003.88$ 190,090.60
Feb 4, 2026Tammenoms Bakker JulietOpen Market Sale490003.88$ 190,090.60
Jan 30, 2026Longitude Capital Partners II, LLCOpen Market Sale1010004.38$ 442,407.25
Jan 30, 2026Longitude Venture Partners II, L.P.Open Market Sale1010004.38$ 442,407.25
Jan 30, 2026Longitude Prime Partners, LLCOpen Market Sale1010004.38$ 442,407.25
Jan 30, 2026ENRIGHT PATRICK GOpen Market Sale1010004.38$ 442,407.25
Jan 30, 2026Tammenoms Bakker JulietOpen Market Sale1010004.38$ 442,407.25
Nov 14, 2025Malloy KirkOther Disposition400000.00$ 0.00
Oct 17, 2025Spignesi Robert G. Jr.Option Excercise112330.75$ 8,424.75
Oct 17, 2025Spignesi Robert G. Jr.Option Excercise68463.08$ 21,085.68
Jul 11, 2025Spignesi Robert G. Jr.Option Excercise502900.00$ 0.00
Jul 11, 2025Spignesi Robert G. Jr.Open Market Sale237553.32$ 78,979.42
Jul 8, 2025Spignesi Robert G. Jr.Option Excercise754330.00$ 0.00
Jul 8, 2025Spignesi Robert G. Jr.Open Market Sale336883.47$ 116,976.37
May 22, 2025PEI MELINDA LITHERLANDGrant143000.00$ 0.00
May 22, 2025Kollender Richard SGrant143000.00$ 0.00
May 22, 2025Malloy KirkGrant143000.00$ 0.00
May 22, 2025RICCIARDI NATALE SGrant143000.00$ 0.00
May 22, 2025LOWENSTEIN INESEGrant143000.00$ 0.00